docs(tag-check): Add example and explain all options

[hyperupcall]

Short description of what this resolves:

Closes #1211

Proposed changes:

Better describe tags-check rule, explaining what it does. This also explains all the customization options, and an example.

[stale[bot]]

This issue has been automatically marked as stale because it has not had recent activity. It will be closed if no further activity occurs. Thank you for your contributions.

[hyperupcall]

not stale